32990957 has 2 divisors, whose sum is σ = 32990958. Its totient is φ = 32990956.

The previous prime is 32990891. The next prime is 32990959. The reversal of 32990957 is 75909923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25867396 + 7123561 = 5086^2 + 2669^2 .

It is an emirp because it is prime and its reverse (75909923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32990957 - 2¹⁴ = 32974573 is a prime.

Together with 32990959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32990959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16495478 + 16495479.

It is an arithmetic number, because the mean of its divisors is an integer number (16495479).

Almost surely, 2^32990957 is an apocalyptic number.

It is an amenable number.

32990957 is a deficient number, since it is larger than the sum of its proper divisors (1).

32990957 is an equidigital number, since it uses as much as digits as its factorization.

32990957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153090, while the sum is 44.

The square root of 32990957 is about 5743.7755004875. The cubic root of 32990957 is about 320.7241316028.

The spelling of 32990957 in words is "thirty-two million, nine hundred ninety thousand, nine hundred fifty-seven".